Pith Number

pith:Y62Z2B5U

pith:2010:Y62Z2B5UZ3COHFCHSFDD5B4ZQL

not attested not anchored not stored refs pending

Supplemental material to the article "Partitions of the triangles of the cross polytope into surfaces''

Jonathan Spreer

arxiv:1009.2640 v1 · 2010-09-14 · math.CO · math.GT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y62Z2B5UZ3COHFCHSFDD5B4ZQL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:40:56.661989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7b59d07b4cec4e3944791463e879982f406db3d9d653293899d7feaeadc2cf5

Aliases

arxiv: 1009.2640 · arxiv_version: 1009.2640v1 · doi: 10.48550/arxiv.1009.2640 · pith_short_12: Y62Z2B5UZ3CO · pith_short_16: Y62Z2B5UZ3COHFCH · pith_short_8: Y62Z2B5U

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y62Z2B5UZ3COHFCHSFDD5B4ZQL \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c7b59d07b4cec4e3944791463e879982f406db3d9d653293899d7feaeadc2cf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "348820a34fe8f1de823031b155e0eab38bbee5d6c514061f8447886ffff93ed0",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-09-14T12:40:07Z",
    "title_canon_sha256": "ce2662393c975c9d084bdc9da2e7178a5398562283b83bf32face08e686f19e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2640",
    "kind": "arxiv",
    "version": 1
  }
}